D# Harmonic Phrygian Bass Scale
Bass scale — fretboard diagramAdvanced
D# Harmonic Phrygian Scale — Notes and Intervals
The D# Harmonic Phrygian scale grafts a raised seventh onto the Phrygian mode, producing an augmented second in the upper tetrachord that resonates with centuries of Moorish musical influence. On Bass, the notes are D#, E, F#, G#, A#, B, D. It delivers strong cadential resolution through its leading tone while the flattened second preserves the ancient, tense quality prized in flamenco and Middle Eastern music. Commonly used in Flamenco, Middle Eastern, Metal, Film Scores. Notable players include Marty Friedman, Tomatito. Use over m(Maj7) and sus(b9) chords. The raised 7th provides a leading tone for strong cadential resolution while the b2 maintains the Phrygian tension. Effective over i-bII vamps.
Notes: D#, E, F#, G#, A#, B, D
Intervals: 1P, 2m, 3m, 4P, 5P, 6m, 7M
Degrees: 1 b2 b3 4 5 b6 7
Formula: H-W-W-W-H-WH-H
Number of notes: 7
Musical Character
Phrygian mode with a raised 7th degree, creating an augmented 2nd interval between the b6 and natural 7 in the upper tetrachord. This gap produces a distinctly Moorish atmosphere reminiscent of medieval Iberian music.
Genres & Notable Artists
Genres: Flamenco, Middle Eastern, Metal, Film Scores
Notable players: Marty Friedman, Tomatito
How to Use the D# Harmonic Phrygian Scale
Use over m(Maj7) and sus(b9) chords. The raised 7th provides a leading tone for strong cadential resolution while the b2 maintains the Phrygian tension. Effective over i-bII vamps.
Origin & Background
A synthetic mode combining the dark foundation of the Phrygian mode with the leading tone of harmonic minor. The augmented 2nd in the upper half of the scale echoes the sound of Moorish music that permeated medieval Spain during centuries of cultural exchange.
How to Play D# Harmonic Phrygian on Bass
On bass, locate D# on the A string at fret 6. Use a one-finger-per-fret approach starting from the root and span two to three strings. Keep your fretting hand relaxed and practice shifting between positions cleanly.
The D# Harmonic Phrygian scale contains 4 sharps (D#, F#, G#, A#). Its relative major is F# major, which shares the same key signature.
Practice Routine — Exercises for Playing
Begin by playing the D# Harmonic Phrygian scale ascending and descending at 100 BPM using a metronome, one note per beat. Once comfortable, practice in thirds (D#-F#, E-G#) to build intervallic familiarity. Spend 5 minutes daily on this pattern before increasing tempo by 10 BPM.
Experiment with simple two-chord vamps rooted on D# to let the characteristic intervals of the Harmonic Phrygian scale come through clearly. This scale is especially effective in film scores contexts.
Bass Tips
On bass, use the D# Harmonic Phrygian scale to build walking bass lines by targeting chord tones on strong beats and using scale tones as approach notes. This is the foundation of functional bass playing. Aim for a moorish quality in your phrasing to match the natural character of this scale.
Related Scales
The D# Harmonic Phrygian scale contains 7 notes (D#, E, F#, G#, A#, B, D). Use the interactive fretboard diagram above to explore each shape and pattern on Bass with different tunings and fret ranges. Practice ascending and descending from the root note to learn the sound of this scale.
CAGED Positions & Patterns for D# Harmonic Phrygian
The D# Harmonic Phrygian scale can be played in 5 CAGED positions across the fretboard, each based on an open chord shape (C, A, G, E, D). As a 7-note scale, it also lends itself to 3-notes-per-string (3NPS) patterns that facilitate legato playing and diagonal shifting. Use the pattern selector above to isolate each position.